Tap chi H6a hoc, T. 45 (2), Tr. 147 - 151,2007
~
"
TONG HQP BQT HIDROXYAPATIT KICH THlJOC NANO
~
,
_I'
'1 ,
BANG PHlJONG PHAP KET TUA HOA HQC
Del,
Too
soan
10-4-2006
DAo
ouoc
HWNG,
PHAN
TIII
NGQC
srcn
Viell
Hoa
hoc, Vien
Khoa
hoc
va
COlIg IIgh¢ Vi¢t
Nom
SUMMARY
Hydroxyapatite (HA) powder was synthesized by simple precipitation
method

heat
tinh va
d(>
urong thich sinh hoc
cao
voi cac te
bao va cac rna, khong bi co the dao thai, ton tai
6 nhieutrang thai tap hap, II - 3].
Hydroxyapatit (HA) la khoang chat ehinh
trong khung
xuang
nguai
va
dong
vat, 6 cac
dang
xop
va dang min (kich thuoc 20 - 100 nm).
Do vay, HA duoc
dung
de cung
cap
eanxi va
photphat
ugan
ngira chirug
loang
wang
6 nguo].
Mot

xop
c6 kha nang van
chuyen
va phan tan
insulin trong ruot [5, 6j.
Tren
the
gioi, viec nghien ciru
che
tao HA
bang cac phuong phap
khae
nhau va khao sat
cac dac tinh
cua
chung
dang
rat
phat
tricn
[I,
2J.
Trong
nuoc,
cac
hop
chat vo co e6
kha
nang irng
d~ng

d6i
khoi
hrong
thea
nhiet db (TGA). Cac dac
tnmg
da xac dinh cung
dircc so
sanh
voi so lieu cua rnau HA
chuan
cua
Vi~n
tieu
chuan
va cong
nghe
quae
gia
My
(NISI') [7, 8].
II -
TI-ll)C
NGHlr,M
Chuan
bi
mau:
Bot HA
duoc
dieu

do
0,05M
va 0,03 M luang irng.
Luang
dung
dich
sir
dung
ling voi ti le
Ca/P
=
1,70.
Dung
dich
H,PO,
diroc nho tir tir tung giot
vao coc
dung
huyen phu
Ca(OH),
tren
may
khuay
tir. Ket thuc qua trinh
them
HJPO" tiep
tue
khua
y
hon hop